After modprobing dm-mod /dev/mapper does not get created, and all device mapper related commands fail. Reproducible: Always Steps to Reproduce: 1. modprobe dm-mod 2. ls /dev/mapper/ 3. Actual Results: file or directory not found Expected Results: success Gentoo Base System version 1.4.16 Portage 2.0.51-r15 (default-ppc-2004.3, gcc-3.4.1, glibc-2.3.3.20040420-r2, 2.6.10-gentoo-r6 ppc) ================================================================= System uname: 2.6.10-gentoo-r6 ppc 750FX Python: dev-lang/python-2.3.3 [2.3.3 (#1, Sep 26 2004, 21:55:55)] dev-lang/python: 2.3.3 sys-devel/autoconf: 2.13, 2.59-r6 sys-devel/automake: 1.5, 1.8.5-r3, 1.6.3, 1.7.9-r1, 1.4_p6, 1.9.4 sys-devel/binutils: 2.15.90.0.3-r3 sys-devel/libtool: 1.5.2-r7 virtual/os-headers: 2.4.22 ACCEPT_KEYWORDS="ppc" AUTOCLEAN="yes" CFLAGS="-mcpu=750 -O3 -pipe" CHOST="powerpc-unknown-linux-gnu" CONFIG_PROTECT="/etc /usr/X11R6/lib/X11/xkb /usr/kde/2/share/config /usr/kde/3/share/config /usr/lib/mozilla/defaults/pref /usr/share/config /var/qmail/control" CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/env.d" CXXFLAGS="-mcpu=750 -O3 -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="autoaddcvs ccache distlocks" GENTOO_MIRRORS="http://distfiles.gentoo.org http://distro.ibiblio.org/pub/Linux/distributions/gentoo" MAKEOPTS="-j2" PKGDIR="/usr/portage/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" SYNC="rsync://rsync.gentoo.org/gentoo-portage" USE="X alsa berkdb crypt dvd esd f77 flac fortran gdbm gif gtk gtk2 imlib jpeg mozilla mp3 network nls oggvorbis opengl pam perl png ppc python readline speex spell ssl theora truetype unicode" Unset: ASFLAGS, CBUILD, CTARGET, LANG, LC_ALL, LDFLAGS, PORTDIR_OVERLAY
What version of udev are you using? Is there a /sys/class/* file that is called mapper?
`ls /sys/class/ | grep mapper` turns up nothing and I'm using udev version 030.
Closed due to lack of info.